Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.

Destroy target artifact. You gain life equal to its mana value.

Destroy target land.

The next time a source of your choice would deal damage to you this turn, instead that source deals that much damage to you and Eye for an Eye deals that much damage to that source's controller.

Cast this spell only during combat before blockers are declared.
All creatures gain menace until end of turn. (They can't be blocked except by two or more creatures.)
Draw a card at the beginning of the next turn's upkeep.

: Add . Spend this mana only to activate abilities of artifacts.

Look at target opponent's hand and choose a card from it. You control that player until Word of Command finishes resolving. The player plays that card if able. While doing so, the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card. If the chosen card is cast as a spell, you control the player while that spell is resolving.

When this creature dies, exile it.

: Regenerate this creature.

: Counter target black spell.

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add .

This creature can't be blocked by artifact creatures.
Prevent all damage that would be dealt to this creature by artifact creatures.

Players skip their untap steps.
At the beginning of your upkeep, sacrifice this enchantment unless you pay .

Whenever an opponent casts an artifact spell, put a +1/+1 counter on this creature.

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

When this creature enters, you gain 3 life.

Flying
When this creature enters, draw a card, then discard a card.

Enchant land
As this Aura enters, choose a basic land type.
Enchanted land is the chosen type.

Exile all white creatures. For each creature exiled this way, its controller draws a card.

You may have this enchantment enter as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

Counter target creature spell.

You may choose not to untap this artifact during your untap step.
, : Target creature gets +1/+1 for as long as this artifact remains tapped.

Return target card from your graveyard to your hand.

Whenever this creature attacks, it deals 3 damage to you unless you pay .

Sacrifice an artifact: This creature gets +2/+2 until end of turn.

This artifact enters tapped.
This artifact doesn't untap during your untap step.
If you would begin your turn while this artifact is tapped, you may skip that turn instead. If you do, untap this artifact.
: Take an extra turn after this one.

: Counter target green spell.

Enchant creature
At the beginning of your upkeep, sacrifice this Aura unless you pay .
Enchanted creature can't attack or block, and its activated abilities with in their costs can't be activated.

Enchant artifact
Enchanted artifact's activated abilities cost less to activate. This effect can't reduce the mana in that cost to less than one mana.

Cast this spell only during the declare attackers step and only if you've been attacked this step.
Destroy target attacking creature.

Enchant land
As long as enchanted land is a basic Mountain, Goblin creatures get +1/+0.
When this Aura leaves the battlefield, it deals 1 damage to each Goblin creature.

Whenever this creature blocks or becomes blocked by a creature, that creature can't be regenerated this turn.

White spells cost more to cast.
Activated abilities of white enchantments cost more to activate.